Home
Class 12
PHYSICS
A concave mirror of focal length f (in a...

A concave mirror of focal length `f` (in air) is immersed in water `(mu=4//3)`. The focal length of the mirror in water will be

A

`f`

B

`(4)/(3)f`

C

`(3)/(4)f`

D

`(7)/(3)f`

Text Solution

Verified by Experts

The correct Answer is:
A
(a) On immersing a mirror in eater, focal length of the mirror remains unchanged.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • RAY OPTICS

    DC PANDEY|Exercise Checkpoint 9.3|20 Videos

  • RAY OPTICS

    DC PANDEY|Exercise Checkpoint 9.4|20 Videos

  • RAY OPTICS

    DC PANDEY|Exercise Checkpoint 9.1|10 Videos

  • NUCLEI

    DC PANDEY|Exercise C MADICAL ENTRANCES GALLERY|46 Videos

  • REFLECTION OF LIGHT

    DC PANDEY|Exercise Subjective|9 Videos

Similar Questions

Explore conceptually related problems

The focal length of a convex mirror is :

Focal length of a plane mirror is

Knowledge Check

  • A convex mirror of focal length f (in air) is immersed in water (mu = 4/3) . The focal length of the mirror in water will be -

    A
    `f`
    B
    `(4/3)f`
    C
    `(3/4)f`
    D
    `(7/3)f`

  • The focal length of a plane mirror is

    A
    positive
    B
    negative
    C
    zero
    D
    infinity

  • The focal length of a plane mirror is

    A
    0
    B
    `oo`
    C
    It does not have a focal length
    D
    None of the above

    • Similar Questions

    Explore conceptually related problems

    The focal length of a plane mirror is

    A concave mirror of focal length f, in air, is immersed in water of refractive index (4)/(3) . The focal length of the mirror in water will be

    The focal length of spherical mirror is

    Focal length of a plane mirror is

    Focal length of a plane mirror is:

    Home
    Profile